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PERMFILE47344
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PERMFILE47344
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Entry Properties
Last modified
8/24/2016 10:49:23 PM
Creation date
11/20/2007 1:07:02 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
1990/1992 Vegetation Baseline Report
Section_Exhibit Name
Tab 10 Attachment 10-1
Media Type
D
Archive
No
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wildrye (Lgyt>Lus cinereusl, smallwing sedge (Carex microoteral, beaked sedge (Carex • <br />utriculatal, and mountain brome. The native annual and biennial (orbs were moderately <br />represented in this type. Introduced annual and biennial forbs were more prevalent in this type <br />when compared with the other Yoast vegetation types. Hound's tongue was the dominant species in <br />this growth form. Introduced perennial forbs were a significant component of cover and dominated <br />by Canada thistle (Cirsium arvensel with 4.7 percent cover. Introduced perennial grasses were <br />also a significant component of cover and were dominated by smooth brome with 6.3 percent cover. <br />Three species that contributed between 1 and 3.5 percent cover were redtop (Agrostis giganteal, <br />quackgrass (F-lytriaia reRgnsl, and timothy. <br />In the Supplemental Area, there was no tree cover; shrub cover amounted to 27.7 percent. The <br />most abundant shrub species in the Supplemental Area was mountain snowberry, as it was in the <br />baseline area. In the Supplemental Area, as in the Baseline Area, the most abundant lifeform was <br />native perennial graminoids (46.1 percent cover). By far the most abundant species in the <br />Supplemental Area sampling was Agassiz bluegrass, as it was in the Baseline Area sampling. In both <br />areas, introduced perennial grasses accounted for a significant amount of cover; 5.9 percent in the <br />Supplemental Area. The most abundant species were timothy, redtop, and smooth brome, in that • <br />order. Native perennial forbs accounted for 17.6 percent cover. Major species were western <br />yarrow, Pacific aster, nettleleaf giant-hyssop, and showy daisy. Introduced annual and biennial <br />forbs amounted to 1.4 percent cover. <br />Wetlands occurring in the Mesic Drainage vegetation type (Figure 6) included small areas <br />supported by seeps or narrow bands along narrow drainage channels. Seep wetland may be <br />dominated by Nebraska sedge, smallwing sedge, beaked sedge, Tracy rush (Juncus tracvil, and <br />redtop (see sample 1, Table A5; Figure 6a). Along Grassy Creek where a drainage channel carried <br />enough water, a narrow strip of Bebb willow (Salix bebbianal and redtop wetland occurred (Figure <br />6b). Around scattered stockponds, the assemblage of hydrophytes (see Figure 6c) included any of <br />the aforementioned species plus manna grass (Glyceria elatal, water crowfoot f~trachium sp.), <br />and Baltic rush (Juncus ater). <br />Improved Pasture - Subirrlgated (Figures 7 and 15) <br />Top-layer vegetation cover in the Baseline Area of the Improved Pasture - Subirrigated vegetation <br />type was 68.9 percent (Table A8), bare soil was 5.7 percent, litter cover was 25.3 percent, and • <br />rock was 0.0 percent. The average species density was 23.3 species per 100 sq.m. The average <br />14 <br />
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